The height of Loblolly trees

See below an interactive plot of the height of Loblolly trees for different ages created with plotly. The

library(plotly)
## Warning: package 'plotly' was built under R version 3.5.3
## Loading required package: ggplot2
## 
## Attaching package: 'plotly'
## The following object is masked from 'package:ggplot2':
## 
##     last_plot
## The following object is masked from 'package:stats':
## 
##     filter
## The following object is masked from 'package:graphics':
## 
##     layout
f <- list(
  family = "Courier New, monospace",
  size = 18,
  color = "#7f7f7f"
)
x <- list(
  title = "Age in Years",
  titlefont = f
)
y <- list(
  title = "Height in ft",
  titlefont = f
)
title <- list(
  title = "The growth of Loblolly Pine trees",
  titlefont = f
)
p <- plot_ly(Loblolly, x = ~as.factor(age), y = ~height,type = "violin") %>% layout(xaxis=x, yaxis=y,title="The growth of Loblolly Pine trees")
p